| 释义 |
●ˌthin ˈoutto become fewer in number, or less thick 减少；变稀薄◆The crowd had thinned out and only a few people were left.
人群渐渐散去，只剩下几个人。◆Once they were clear of the city, the traffic started to thin out.
他们一出城，来往车辆就开始减少了。◆The trees began to thin out as we climbed higher.
我们再往上爬，树木就变得稀疏起来。SUBJ crowd, trees, traffic[v + adv] |